Garber, Nicholas J., author
PWS Publishing, 1996
Buku Teks
Matson, Theodore M., author
McGraw-Hill, 1955
Buku Teks
Hobbs, F.D., author
Pergamon Press, 1974
Buku Teks
Institute of Traffic Engineers ; John E. Baerwald, editor, associate editors, Matthew J. Huber, Louis E. Keefer
Prentice-Hall, 1976
Buku Referensi
Box, Paul C., author
Institut of Transportation Engineers, 1976
Buku Referensi